Legal claims defining the scope of protection. Each claim is shown in both the original legal language and a plain English translation.
1. In a commercial mobile alert system including a primary carrier network logically connected to a secondary network, the primary network characterizing a first network type adapted for use of licensed wireless spectrum and the secondary network characterizing a second network type adapted for use of unlicensed wireless spectrum, a method comprising a gateway node of the primary carrier network: receiving a commercial mobile alert message directed to an indicated geographic area; executing a technology selection policy to determine a delivery profile appropriate for the commercial mobile alert message, the technology selection policy including first selection criteria determinative of selection of the licensed wireless spectrum and a second selection criteria determinative of selection of the unlicensed wireless spectrum defining the delivery profile; comparing primary carrier network traffic to a high threshold and a low threshold; deselecting the primary carrier network after the primary carrier network traffic is greater than the high threshold; selecting the primary carrier network after the primary carrier network traffic is less than the low threshold; delivering the commercial mobile alert message to one or more mobile devices in the indicated geographic area according to the delivery profile; specifying message delivery via one or both of the licensed wireless spectrum and the unlicensed wireless spectrum; maintaining a database identifying one or more WiFi routers in the indicated geographic area mapped to respective WiFi router IP addresses; and sending the commercial mobile alert message to the one or more WiFi routers in the indicated geographic area via the respective WiFi router IP addresses, wherein the indicated geographic area, which corresponds to one or more respective Tracking Area IDs of the primary carrier network, is mapped to the primary carrier network.
This invention relates to a commercial mobile alert system that uses both licensed and unlicensed wireless spectrum to deliver alerts efficiently. The system addresses the challenge of ensuring reliable alert delivery in areas with high network traffic by dynamically selecting between primary carrier networks (using licensed spectrum) and secondary networks (using unlicensed spectrum, such as WiFi). The system includes a gateway node in the primary carrier network that receives commercial mobile alert messages directed to a specific geographic area. The gateway applies a technology selection policy to determine the best delivery method, which may involve licensed spectrum, unlicensed spectrum, or both. The policy considers network traffic levels, deselecting the primary network when traffic exceeds a high threshold and reselecting it when traffic falls below a low threshold. The system maintains a database of WiFi routers in the target area, mapped to their IP addresses, allowing alerts to be sent directly to these routers for distribution. The geographic area is defined by Tracking Area IDs in the primary carrier network, ensuring precise targeting. This approach optimizes alert delivery by leveraging available network resources while maintaining reliability.
2. The method of claim 1 , wherein the gateway node comprises a broadcast message center (BMC).
A system and method for managing broadcast messages in a wireless communication network involves a gateway node that includes a broadcast message center (BMC). The BMC is configured to receive, process, and distribute broadcast messages to multiple user devices within the network. The gateway node acts as an intermediary between a core network and the user devices, ensuring efficient delivery of broadcast messages such as emergency alerts, system updates, or service announcements. The BMC may prioritize messages based on urgency, content type, or network conditions to optimize resource usage and minimize latency. The system may also include mechanisms for error handling, message authentication, and confirmation of delivery to ensure reliability. The gateway node may further support dynamic adjustments to broadcast parameters, such as transmission power or frequency, to adapt to varying network conditions. This approach enhances the efficiency and reliability of broadcast message delivery in wireless networks, particularly in scenarios requiring rapid dissemination of critical information.
3. The method of claim 1 , wherein the gateway node comprises a base station.
A wireless communication system includes a gateway node that facilitates communication between a first network and a second network. The gateway node is configured to receive data from a first network, process the data, and transmit the processed data to a second network. The gateway node may include a base station, which is a network infrastructure element that provides wireless connectivity to user devices. The base station may handle tasks such as signal modulation, demodulation, and routing of data packets between the networks. The system ensures seamless data transfer by managing network protocols, ensuring compatibility between different network types, and optimizing data transmission efficiency. The gateway node may also perform security functions, such as encryption and authentication, to protect data integrity during transmission. The base station, as part of the gateway node, may further include antennas, transceivers, and processing units to support wireless communication. The system is designed to improve interoperability and reliability in heterogeneous network environments, addressing challenges such as latency, bandwidth limitations, and protocol mismatches.
4. The method of claim 1 , wherein the primary network comprises an LTE-L network and the secondary network comprises one of a WiFi network and an LTE-U network.
This invention relates to wireless communication systems, specifically methods for managing network connectivity in heterogeneous network environments. The problem addressed is the efficient utilization of multiple available networks, such as licensed and unlicensed spectrum networks, to optimize data transmission and reduce latency. The method involves dynamically selecting between a primary network and a secondary network based on network conditions, device capabilities, and user preferences. The primary network is an LTE-L (licensed) network, while the secondary network can be either a WiFi network or an LTE-U (unlicensed) network. The selection process ensures seamless handover between networks to maintain uninterrupted connectivity. The method includes monitoring signal strength, bandwidth availability, and latency in both networks. If the secondary network (WiFi or LTE-U) provides better performance, the system switches to it for data transmission. Conversely, if the primary LTE-L network becomes more favorable, the system reverts to it. This dynamic switching improves overall network efficiency and user experience by leveraging the strengths of each network type. The invention also includes mechanisms to handle interference and prioritize network selection based on predefined rules, such as minimizing power consumption or maximizing throughput. The system may also consider regulatory constraints when operating in unlicensed spectrum (e.g., LTE-U or WiFi). The method ensures that network transitions are smooth and do not disrupt ongoing communications.
5. The method of claim 4 , wherein the secondary network comprises the WiFi network, and, responsive to executing the technology selection policy, the delivery profile specifies message delivery via the WiFi network.
This invention relates to a system for optimizing message delivery across multiple networks, particularly in scenarios where a primary network (e.g., cellular) is unreliable or unavailable. The problem addressed is ensuring efficient and reliable message delivery by dynamically selecting the most suitable network based on predefined policies. The system includes a policy engine that evaluates network conditions and user preferences to determine the optimal delivery path. When the secondary network is a WiFi network, the system executes a technology selection policy to prioritize message delivery via WiFi, leveraging its higher bandwidth and lower cost compared to cellular networks. The policy engine assesses factors such as network availability, signal strength, and data costs to make this determination. The system also includes a delivery profile that specifies the chosen network for message transmission, ensuring messages are routed accordingly. This approach improves reliability and efficiency by dynamically adapting to network conditions while minimizing data usage costs. The invention is particularly useful in mobile devices where seamless connectivity across multiple networks is essential.
6. The method of claim 1 , wherein the first selection criteria includes a traffic condition, comprising: selecting the licensed wireless spectrum as a mode of message delivery after the primary carrier network traffic does not exceed the low threshold; and deselecting the licensed wireless spectrum as the mode of message delivery after the primary carrier network exceeds the high threshold.
This invention relates to wireless communication systems, specifically methods for dynamically selecting between licensed and unlicensed wireless spectrums for message delivery based on network traffic conditions. The problem addressed is the inefficient use of licensed spectrum resources, which can lead to congestion and degraded performance when traffic exceeds available capacity. The method involves monitoring traffic conditions on a primary carrier network operating in a licensed spectrum. When traffic on the primary network is below a predefined low threshold, the system selects the licensed spectrum as the preferred mode for message delivery. Conversely, if traffic on the primary network exceeds a predefined high threshold, the system deselects the licensed spectrum, thereby avoiding congestion and ensuring efficient resource utilization. The thresholds are dynamically adjustable to adapt to varying network conditions. Additionally, the method may include fallback mechanisms to unlicensed spectrum when licensed spectrum is deselected, ensuring continuous message delivery. The selection criteria can be further refined by incorporating additional factors such as signal quality, latency requirements, or cost considerations. This approach optimizes spectrum usage, reduces congestion, and improves overall network performance by dynamically balancing traffic across available spectrum resources.
7. The method of claim 6 , wherein the second selection criteria includes a traffic condition, comprising: selecting the unlicensed wireless spectrum as the mode of message delivery after the primary carrier network traffic exceeds the high threshold.
This invention relates to wireless communication systems that utilize both licensed and unlicensed spectrum for message delivery. The problem addressed is efficiently managing network traffic to ensure reliable communication when the primary licensed carrier network becomes congested. The solution involves dynamically selecting between licensed and unlicensed wireless spectrum based on traffic conditions. The method includes monitoring the traffic load on the primary carrier network. When the traffic exceeds a predefined high threshold, the system automatically switches to using unlicensed wireless spectrum for message delivery. This ensures that communication remains uninterrupted even during peak traffic periods on the licensed network. The selection criteria for switching to unlicensed spectrum may include additional factors beyond traffic load, such as signal quality or cost considerations, but the primary trigger is the high traffic threshold. By dynamically adjusting the mode of message delivery based on real-time traffic conditions, the system optimizes network performance and resource utilization. This approach is particularly useful in scenarios where licensed spectrum is limited or expensive, and unlicensed spectrum provides a cost-effective alternative. The method ensures seamless communication by automatically adapting to network congestion without manual intervention.
8. The method of claim 6 , wherein the second selection criteria specifies selecting the unlicensed wireless spectrum as the mode of message delivery regardless of the primary carrier network traffic.
This invention relates to wireless communication systems, specifically methods for selecting between licensed and unlicensed wireless spectrum for message delivery. The problem addressed is optimizing message delivery efficiency and reliability in scenarios where both licensed and unlicensed spectrum options are available. The invention provides a method for dynamically selecting the most suitable spectrum for message delivery based on predefined criteria, ensuring efficient use of network resources while maintaining communication quality. The method involves evaluating multiple selection criteria to determine the optimal spectrum for message delivery. One key criterion is the ability to prioritize unlicensed spectrum regardless of the traffic conditions on the primary carrier network. This ensures that messages can be delivered even when the licensed spectrum is congested or unavailable. The selection process may also consider other factors such as signal strength, latency requirements, and spectrum availability to make an informed decision. By dynamically adjusting the spectrum selection based on these criteria, the system improves overall communication efficiency and reliability. The invention is particularly useful in environments where reliable message delivery is critical, such as emergency communications or industrial IoT applications.
9. The method of claim 1 , wherein the first and second selection criteria include one or more of: time criteria specifying selection or deselection of the licensed wireless spectrum or the unlicensed wireless spectrum based on one or more of: time of day, days of week; and pricing criteria specifying selection or deselection of the licensed wireless spectrum or the unlicensed wireless spectrum based on projected costs associated with use of the primary carrier network and the secondary network.
This invention relates to wireless communication systems that dynamically select between licensed and unlicensed spectrum based on time and pricing criteria. The problem addressed is optimizing spectrum usage to balance performance, cost, and availability in heterogeneous networks. The system evaluates multiple factors to determine whether to use licensed or unlicensed spectrum for data transmission. Time-based criteria include selecting or deselecting spectrum based on time of day or day of week, allowing adaptation to predictable traffic patterns or regulatory constraints. Pricing criteria assess projected costs associated with using a primary carrier network (licensed spectrum) versus a secondary network (unlicensed spectrum), enabling cost-efficient spectrum allocation. The selection process may involve comparing real-time or historical data to determine the most economical or reliable spectrum option. This approach improves network efficiency by dynamically adjusting spectrum usage according to temporal patterns and cost considerations, reducing operational expenses while maintaining service quality. The invention is particularly useful in scenarios where spectrum availability or pricing fluctuates, such as in shared or dynamic spectrum access environments.
10. A gateway node, in accordance with a commercial mobile alert system including a primary carrier network logically connected to a secondary network, the gateway node associated with the primary carrier network and logically connected to the secondary network, the primary network characterizing a first network type adapted for use of licensed wireless spectrum and the secondary network characterizing a second network type adapted for use of unlicensed wireless spectrum, the gateway node comprising: an input interface; a primary network output interface; a secondary network output interface; a memory; and at least one processor operably coupled to the input interface, the primary network output interface the secondary network output interface, and the memory and configured to: receive a commercial mobile alert message directed to an indicated geographic area; execute a technology selection policy to determine a delivery profile appropriate for the commercial mobile alert message, the technology selection policy including first selection criteria determinative of selection of the licensed wireless spectrum and a second selection criteria determinative of selection of the unlicensed wireless spectrum defining the delivery profile; compare primary carrier network traffic to a high threshold and a low threshold; deselect the primary carrier network after the primary carrier network traffic is greater than the high threshold; select the primary carrier network after the primary carrier network traffic is less than the low threshold; deliver the commercial mobile alert message to one or more mobile devices in the indicated geographic area according to the delivery profile; specify message delivery via one or both of the licensed wireless spectrum and the unlicensed wireless spectrum; maintain a database identifying one or more WiFi routers in the indicated geographic area mapped to respective WiFi router IP addresses, and send the commercial mobile alert message to the one or more WiFi routers in the indicated geographic area via the respective WiFi router IP addresses, wherein the indicated geographic area, which corresponds to one or more respective Tracking Area IDs of the primary carrier network, is mapped to the primary carrier network.
This invention relates to a gateway node within a commercial mobile alert system that integrates a primary carrier network (using licensed wireless spectrum) with a secondary network (using unlicensed wireless spectrum). The gateway node is designed to optimize the delivery of commercial mobile alert messages to devices within a specified geographic area by dynamically selecting between licensed and unlicensed spectrum based on network traffic conditions. The system includes an input interface for receiving alert messages, primary and secondary network output interfaces for message transmission, and a processor that executes a technology selection policy. This policy evaluates primary network traffic against high and low thresholds to determine whether to use the primary (licensed) or secondary (unlicensed) network. If traffic exceeds the high threshold, the primary network is deselected; if traffic falls below the low threshold, it is reselected. The gateway node also maintains a database of WiFi routers in the target area, mapped by IP addresses, and can deliver alerts via these routers. The geographic area is defined by Tracking Area IDs in the primary network, ensuring precise targeting. This approach enhances alert delivery reliability by leveraging both licensed and unlicensed spectrum while managing network congestion.
11. The gateway node of claim 10 , comprising a broadcast message center (BMC).
A gateway node in a wireless communication network is designed to manage and optimize broadcast messaging. The node includes a broadcast message center (BMC) that processes and distributes broadcast messages to multiple devices within the network. The BMC is configured to receive broadcast messages from a core network or other sources, determine the appropriate transmission parameters (such as timing, frequency, and power levels), and forward the messages to the intended devices. The gateway node may also include a message processing unit that filters, prioritizes, or modifies broadcast messages before transmission. Additionally, the node may support dynamic adjustments to broadcast parameters based on network conditions, such as congestion or device density, to ensure efficient and reliable message delivery. The system aims to improve broadcast efficiency, reduce redundancy, and enhance overall network performance by centralizing and optimizing broadcast message handling.
12. The gateway node of claim 10 , comprising a base station.
A wireless communication system includes a gateway node that facilitates communication between a mobile device and a network. The gateway node is configured to receive a request from the mobile device to establish a communication session, determine whether the mobile device is authorized to access the network, and establish the communication session if the mobile device is authorized. The gateway node also manages the communication session, including monitoring signal quality, adjusting transmission parameters, and terminating the session when necessary. In some implementations, the gateway node includes a base station that provides wireless connectivity to the mobile device. The base station may handle radio resource management, signal processing, and data routing between the mobile device and the network. The system ensures secure and efficient communication by authenticating the mobile device, encrypting data, and optimizing network resources. The gateway node may also support mobility management, allowing the mobile device to seamlessly transition between different network access points. This system improves reliability and performance in wireless networks by dynamically adapting to changing conditions and user demands.
13. A network device for communicating alert messages, in accordance with a commercial alert system including a primary carrier network logically connected to a secondary network via a gateway node, the network device logically connected to the gateway node, the gateway node associated with a primary carrier network characterizing a first network type adapted for use of licensed wireless spectrum, the network device associated with a secondary network adapted for use of unlicensed wireless spectrum, the network device comprising: an input interface; an output interface; a memory; and at least one processor operably coupled to the input interface, the output interface, and the memory and configured to: receive a public safety alert message from the gateway node, the public safety alert message directed to an indicated geographic area; compare primary carrier network traffic to a high threshold and a low threshold: deselect the primary carrier network after the primary carrier network traffic is greater than the high threshold; select the primary carrier network after the primary carrier network traffic is less than the low threshold: distribute the public safety alert message to one or more connected user devices in the indicated geographic area via the unlicensed wireless spectrum; maintain a database identifying one or more WiFi routers in the indicated geographic area mapped to respective WiFi router IP addresses, and send the commercial mobile alert message to the one or more WiFi routers in the indicated geographic area via the respective WiFi router IP addresses, wherein the indicated geographic area, which corresponds to one or more respective Tracking Area IDs of the primary carrier network, is mapped to the primary carrier network.
This invention relates to a network device for communicating alert messages within a commercial alert system that integrates licensed and unlicensed wireless spectrum networks. The system includes a primary carrier network using licensed spectrum and a secondary network using unlicensed spectrum, connected via a gateway node. The network device is part of the secondary network and is designed to handle public safety alert messages directed to specific geographic areas. It includes input and output interfaces, memory, and at least one processor. The processor receives alert messages from the gateway node, monitors primary carrier network traffic, and dynamically selects or deselects the primary network based on traffic thresholds. If traffic exceeds a high threshold, the primary network is deselected, and if traffic falls below a low threshold, it is reselected. The device distributes alert messages to user devices in the target area via unlicensed spectrum and maintains a database of WiFi routers in the area, mapped to their IP addresses. Alerts are also sent to these routers to ensure broad dissemination. The geographic area is defined by Tracking Area IDs from the primary network, ensuring precise targeting. This system enhances alert delivery reliability by leveraging both licensed and unlicensed spectrums, optimizing network load, and ensuring coverage even under high-traffic conditions.
14. The network device of claim 13 , comprising a WiFi router, the secondary network defining a WiFi network.
A network device includes a primary network interface for connecting to a first network and a secondary network interface for connecting to a second network. The device is configured to monitor the first network for data packets and, upon detecting a data packet, determine whether the packet is associated with a specific application. If the packet is associated with the specific application, the device forwards the packet to the second network. The second network is a WiFi network, and the network device is a WiFi router. The device may also include a processor and memory storing instructions that, when executed, perform these operations. The primary network may be a wired or wireless network, and the secondary network is a WiFi network. The device ensures that data packets from the specific application are routed through the WiFi network, allowing for centralized management or monitoring of application-specific traffic. This setup enables efficient traffic segregation and prioritization, improving network performance and security for applications that require dedicated routing.
Unknown
October 20, 2020
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